ABAP Select data from SAP table /KYK/ISS_RESD into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /KYK/ISS_RESD table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to /KYK/ISS_RESD. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the /KYK/ISS_RESD table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_/KYK/ISS_RESD TYPE STANDARD TABLE OF /KYK/ISS_RESD,
      WA_/KYK/ISS_RESD TYPE /KYK/ISS_RESD,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: </KYK/ISS_RESD> TYPE /KYK/ISS_RESD.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/KYK/ISS_RESD.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /KYK/ISS_RESD
  INTO TABLE IT_/KYK/ISS_RESD.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /KYK/ISS_RESD
*  INTO TABLE @DATA(IT_/KYK/ISS_RESD2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_/KYK/ISS_RESD INDEX 1 INTO DATA(WA_/KYK/ISS_RESD2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/KYK/ISS_RESD ASSIGNING </KYK/ISS_RESD>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</KYK/ISS_RESD>-STATUS_BEL = 1.
</KYK/ISS_RESD>-ABGRU_NEW = 1.
</KYK/ISS_RESD>-SBGRP_NEW = 1.
</KYK/ISS_RESD>-KKBER = 1.
</KYK/ISS_RESD>-VBELN = 1.

ENDLOOP.

LOOP AT IT_/KYK/ISS_RESD INTO WA_/KYK/ISS_RESD.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/KYK/ISS_RESD-VBTYP, sy-vline,
  WA_/KYK/ISS_RESD-VKORG, sy-vline,
  WA_/KYK/ISS_RESD-VTWEG, sy-vline,
  WA_/KYK/ISS_RESD-SPART, sy-vline,
  WA_/KYK/ISS_RESD-KNKLI, sy-vline,
  WA_/KYK/ISS_RESD-NAME1, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/KYK/ISS_RESD you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_/KYK/ISS_RESD TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_/KYK/ISS_RESD INTO WA_/KYK/ISS_RESD.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.

*Conversion exit ALPHA, internal->external for field VBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/KYK/ISS_RESD-VBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/KYK/ISS_RESD-VBELN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KNKLI
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/KYK/ISS_RESD-KNKLI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/KYK/ISS_RESD-KNKLI.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ADRNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/KYK/ISS_RESD-ADRNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/KYK/ISS_RESD-ADRNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRT, internal->external for field CMKUA
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_/KYK/ISS_RESD-CMKUA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/KYK/ISS_RESD-CMKUA.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field SKFOR
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_/KYK/ISS_RESD-SKFOR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/KYK/ISS_RESD-SKFOR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field SSOBL
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_/KYK/ISS_RESD-SSOBL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/KYK/ISS_RESD-SSOBL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU152, internal->external for field KLIMK
CALL FUNCTION 'CONVERSION_EXIT_AU152_OUTPUT'
  EXPORTING
    input =                      WA_/KYK/ISS_RESD-KLIMK
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/KYK/ISS_RESD-KLIMK.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LCNUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/KYK/ISS_RESD-LCNUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/KYK/ISS_RESD-LCNUM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KUNAG
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/KYK/ISS_RESD-KUNAG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/KYK/ISS_RESD-KUNAG.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AGADRNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/KYK/ISS_RESD-AGADRNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/KYK/ISS_RESD-AGADRNR.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_/KYK/ISS_RESD_STR, 
STATUS_BEL TYPE STRING,
ABGRU_NEW TYPE STRING,
SBGRP_NEW TYPE STRING,
KKBER TYPE STRING,
VBELN TYPE STRING,
VBTYP TYPE STRING,
VKORG TYPE STRING,
VTWEG TYPE STRING,
SPART TYPE STRING,
KNKLI TYPE STRING,
NAME1 TYPE STRING,
ORT01 TYPE STRING,
LAND TYPE STRING,
ADRNR TYPE STRING,
ERDAT TYPE STRING,
ERNAM TYPE STRING,
BNAME TYPE STRING,
TELF1 TYPE STRING,
GRUPP TYPE STRING,
SBGRP TYPE STRING,
CTLPC TYPE STRING,
CMWAE TYPE STRING,
CMFRE TYPE STRING,
CMNUP TYPE STRING,
CMNGV TYPE STRING,
CMTFG TYPE STRING,
CMPNT TYPE STRING,
CMKUA TYPE STRING,
AMTBL TYPE STRING,
KLPRZ TYPE STRING,
KWKKB TYPE STRING,
KWKKC TYPE STRING,
KWKKD TYPE STRING,
KWKKE TYPE STRING,
OEIKW TYPE STRING,
OLIKW TYPE STRING,
OFAKW TYPE STRING,
WAERS TYPE STRING,
AWAER TYPE STRING,
ZTERM TYPE STRING,
CSTAT TYPE STRING,
CMPSA TYPE STRING,
CMPSB TYPE STRING,
CMPSC TYPE STRING,
CMPSD TYPE STRING,
CMPSE TYPE STRING,
CMPSF TYPE STRING,
CMPSG TYPE STRING,
CMPSH TYPE STRING,
CMPSI TYPE STRING,
CMPSJ TYPE STRING,
CMPSK TYPE STRING,
CMPSL TYPE STRING,
CMPSM TYPE STRING,
CMPS0 TYPE STRING,
CMPS1 TYPE STRING,
CMPS2 TYPE STRING,
CMGST TYPE STRING,
SKFOR TYPE STRING,
SSOBL TYPE STRING,
CRBLB TYPE STRING,
NXTRV TYPE STRING,
KRAUS TYPE STRING,
DBPAY TYPE STRING,
DBRTG TYPE STRING,
REVDB TYPE STRING,
AEDAT TYPE STRING,
AETXT TYPE STRING,
ZAEHL TYPE STRING,
KLIMK TYPE STRING,
BSTNK TYPE STRING,
SIZEC TYPE STRING,
GBSTK TYPE STRING,
WBSTK TYPE STRING,
WAERK TYPE STRING,
NETWR TYPE STRING,
CRMGR TYPE STRING,
TAGEF TYPE STRING,
KWKKF TYPE STRING,
KWKKG TYPE STRING,
LCNUM TYPE STRING,
KUNAG TYPE STRING,
VKBUR TYPE STRING,
VKGRP TYPE STRING,
AUST1 TYPE STRING,
AUST2 TYPE STRING,
AUST3 TYPE STRING,
AUST5 TYPE STRING,
AUST1TXT TYPE STRING,
AUST2TXT TYPE STRING,
AUST3TXT TYPE STRING,
AGNAME1 TYPE STRING,
AGORT01 TYPE STRING,
AGADRNR TYPE STRING,
VBKLA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/KYK/ISS_RESD_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_/KYK/ISS_RESD_STR-STATUS_BEL sy-vline 
WA_/KYK/ISS_RESD_STR-ABGRU_NEW sy-vline 
WA_/KYK/ISS_RESD_STR-SBGRP_NEW sy-vline 
WA_/KYK/ISS_RESD_STR-KKBER sy-vline 
WA_/KYK/ISS_RESD_STR-VBELN sy-vline 
WA_/KYK/ISS_RESD_STR-VBTYP sy-vline 
WA_/KYK/ISS_RESD_STR-VKORG sy-vline 
WA_/KYK/ISS_RESD_STR-VTWEG sy-vline 
WA_/KYK/ISS_RESD_STR-SPART sy-vline 
WA_/KYK/ISS_RESD_STR-KNKLI sy-vline 
WA_/KYK/ISS_RESD_STR-NAME1 sy-vline 
WA_/KYK/ISS_RESD_STR-ORT01 sy-vline 
WA_/KYK/ISS_RESD_STR-LAND sy-vline 
WA_/KYK/ISS_RESD_STR-ADRNR sy-vline 
WA_/KYK/ISS_RESD_STR-ERDAT sy-vline 
WA_/KYK/ISS_RESD_STR-ERNAM sy-vline 
WA_/KYK/ISS_RESD_STR-BNAME sy-vline 
WA_/KYK/ISS_RESD_STR-TELF1 sy-vline 
WA_/KYK/ISS_RESD_STR-GRUPP sy-vline 
WA_/KYK/ISS_RESD_STR-SBGRP sy-vline 
WA_/KYK/ISS_RESD_STR-CTLPC sy-vline 
WA_/KYK/ISS_RESD_STR-CMWAE sy-vline 
WA_/KYK/ISS_RESD_STR-CMFRE sy-vline 
WA_/KYK/ISS_RESD_STR-CMNUP sy-vline 
WA_/KYK/ISS_RESD_STR-CMNGV sy-vline 
WA_/KYK/ISS_RESD_STR-CMTFG sy-vline 
WA_/KYK/ISS_RESD_STR-CMPNT sy-vline 
WA_/KYK/ISS_RESD_STR-CMKUA sy-vline 
WA_/KYK/ISS_RESD_STR-AMTBL sy-vline 
WA_/KYK/ISS_RESD_STR-KLPRZ sy-vline 
WA_/KYK/ISS_RESD_STR-KWKKB sy-vline 
WA_/KYK/ISS_RESD_STR-KWKKC sy-vline 
WA_/KYK/ISS_RESD_STR-KWKKD sy-vline 
WA_/KYK/ISS_RESD_STR-KWKKE sy-vline 
WA_/KYK/ISS_RESD_STR-OEIKW sy-vline 
WA_/KYK/ISS_RESD_STR-OLIKW sy-vline 
WA_/KYK/ISS_RESD_STR-OFAKW sy-vline 
WA_/KYK/ISS_RESD_STR-WAERS sy-vline 
WA_/KYK/ISS_RESD_STR-AWAER sy-vline 
WA_/KYK/ISS_RESD_STR-ZTERM sy-vline 
WA_/KYK/ISS_RESD_STR-CSTAT sy-vline 
WA_/KYK/ISS_RESD_STR-CMPSA sy-vline 
WA_/KYK/ISS_RESD_STR-CMPSB sy-vline 
WA_/KYK/ISS_RESD_STR-CMPSC sy-vline 
WA_/KYK/ISS_RESD_STR-CMPSD sy-vline 
WA_/KYK/ISS_RESD_STR-CMPSE sy-vline 
WA_/KYK/ISS_RESD_STR-CMPSF sy-vline 
WA_/KYK/ISS_RESD_STR-CMPSG sy-vline 
WA_/KYK/ISS_RESD_STR-CMPSH sy-vline 
WA_/KYK/ISS_RESD_STR-CMPSI sy-vline 
WA_/KYK/ISS_RESD_STR-CMPSJ sy-vline 
WA_/KYK/ISS_RESD_STR-CMPSK sy-vline 
WA_/KYK/ISS_RESD_STR-CMPSL sy-vline 
WA_/KYK/ISS_RESD_STR-CMPSM sy-vline 
WA_/KYK/ISS_RESD_STR-CMPS0 sy-vline 
WA_/KYK/ISS_RESD_STR-CMPS1 sy-vline 
WA_/KYK/ISS_RESD_STR-CMPS2 sy-vline 
WA_/KYK/ISS_RESD_STR-CMGST sy-vline 
WA_/KYK/ISS_RESD_STR-SKFOR sy-vline 
WA_/KYK/ISS_RESD_STR-SSOBL sy-vline 
WA_/KYK/ISS_RESD_STR-CRBLB sy-vline 
WA_/KYK/ISS_RESD_STR-NXTRV sy-vline 
WA_/KYK/ISS_RESD_STR-KRAUS sy-vline 
WA_/KYK/ISS_RESD_STR-DBPAY sy-vline 
WA_/KYK/ISS_RESD_STR-DBRTG sy-vline 
WA_/KYK/ISS_RESD_STR-REVDB sy-vline 
WA_/KYK/ISS_RESD_STR-AEDAT sy-vline 
WA_/KYK/ISS_RESD_STR-AETXT sy-vline 
WA_/KYK/ISS_RESD_STR-ZAEHL sy-vline 
WA_/KYK/ISS_RESD_STR-KLIMK sy-vline 
WA_/KYK/ISS_RESD_STR-BSTNK sy-vline 
WA_/KYK/ISS_RESD_STR-SIZEC sy-vline 
WA_/KYK/ISS_RESD_STR-GBSTK sy-vline 
WA_/KYK/ISS_RESD_STR-WBSTK sy-vline 
WA_/KYK/ISS_RESD_STR-WAERK sy-vline 
WA_/KYK/ISS_RESD_STR-NETWR sy-vline 
WA_/KYK/ISS_RESD_STR-CRMGR sy-vline 
WA_/KYK/ISS_RESD_STR-TAGEF sy-vline 
WA_/KYK/ISS_RESD_STR-KWKKF sy-vline 
WA_/KYK/ISS_RESD_STR-KWKKG sy-vline 
WA_/KYK/ISS_RESD_STR-LCNUM sy-vline 
WA_/KYK/ISS_RESD_STR-KUNAG sy-vline 
WA_/KYK/ISS_RESD_STR-VKBUR sy-vline 
WA_/KYK/ISS_RESD_STR-VKGRP sy-vline 
WA_/KYK/ISS_RESD_STR-AUST1 sy-vline 
WA_/KYK/ISS_RESD_STR-AUST2 sy-vline 
WA_/KYK/ISS_RESD_STR-AUST3 sy-vline 
WA_/KYK/ISS_RESD_STR-AUST5 sy-vline 
WA_/KYK/ISS_RESD_STR-AUST1TXT sy-vline 
WA_/KYK/ISS_RESD_STR-AUST2TXT sy-vline 
WA_/KYK/ISS_RESD_STR-AUST3TXT sy-vline 
WA_/KYK/ISS_RESD_STR-AGNAME1 sy-vline 
WA_/KYK/ISS_RESD_STR-AGORT01 sy-vline 
WA_/KYK/ISS_RESD_STR-AGADRNR sy-vline 
WA_/KYK/ISS_RESD_STR-VBKLA sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.